Path Calculator
Analyze microwave propagation between two points
Link Summary · 24 GHz
Distance
131 mi (210 km)
Bearing
94.8°
Terrain
BLOCKED
Propagation
71/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 24 GHz
FSPL (free-space)
166.5
dB
Gaseous (O₂+H₂O)
7.0
dB
Diffraction loss
132.8
dB
TOTAL PATH LOSS
306.3
dB
Gas rate: 0.0334 dB/km
H₂O: 0.0020 dB/km/g ·
O₂: 0.0200 dB/km
Abs humidity avg: 6.7 g/m³
Power Budget
TX Power
20.0
dBm
(100.0 mW)
TX Ant Gain
30.0
dBi
Feed Loss (×2)
-2.0
dB
EIRP
48.0
dBm
Path Loss (w/FF)
-306.3
dB
RX Ant Gain
30.0
dBi
RX Power
-228.3
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-88.3
dB
Path Weather Avg
Temperature
81.0°F
27.2°C
Dewpoint
42.5°F
5.9°C
T/Td Gap
38.4°F
Abs Humidity
6.7 g/m³
Pressure
973.4 mb
PWAT
13.5 mm
BL Depth
2295.0 m
Refrac Gradient
0 N/km
Propagation Factors · 24 GHz
Rain
100
T-Td Depression
96
Pressure
88
PWAT
80
Humidity
62
Refractivity
50
Sky Cover
50
Wind
50
Season
47
Time of Day
18
Atmospheric Profile
HRRR (3 km) Valid 2026-05-03 20:00 UTC 9 path samples| Point | Lat, Lon | Temp | Dewpt | Press | HPBL | PWAT | Ns | dN/dh |
|---|---|---|---|---|---|---|---|---|
| Source | 33.4, -98.7 | 26.9°C | 6.4°C | 973.4 mb | 2273.5 m | 14.6 mm | ||
| 13% | 33.3, -98.4 | 27.3°C | 5.0°C | 977.9 mb | 2274.0 m | 12.6 mm | ||
| 25% | 33.3, -98.1 | 27.1°C | 3.6°C | 980.2 mb | 2244.0 m | 10.3 mm | ||
| 38% | 33.3, -97.9 | 28.3°C | 5.6°C | 985.9 mb | 2402.8 m | 15.2 mm | ||
| Midpoint | 33.3, -97.6 | 26.1°C | 6.5°C | 985.1 mb | 2315.1 m | 12.9 mm | ||
| 63% | 33.3, -97.3 | 26.2°C | 9.6°C | 992.0 mb | 2131.5 m | 14.8 mm | ||
| 75% | 33.2, -97.0 | 27.1°C | 7.1°C | 994.6 mb | 2296.0 m | 13.4 mm | ||
| 88% | 33.2, -96.7 | 28.1°C | 4.7°C | 992.1 mb | 2338.5 m | 14.1 mm | ||
| Destination | 33.2, -96.5 | 27.8°C | 4.1°C | 995.4 mb | 2379.9 m | 13.3 mm |
Midpoint vertical profile
17-Hour Propagation Forecast · 24 GHz
→ Steady
Best:
74
at 21:00 UTC
Worst:
64
at 12:00 UTC